EP0633244B1 - Verfahren zur kontinuierlichen Herstellung von Polyhydroxyfettsäureamiden aus N-Alkylpolyhydroxyaminen und Fettsäurealkylestern - Google Patents
Verfahren zur kontinuierlichen Herstellung von Polyhydroxyfettsäureamiden aus N-Alkylpolyhydroxyaminen und Fettsäurealkylestern Download PDFInfo
- Publication number
- EP0633244B1 EP0633244B1 EP94110458A EP94110458A EP0633244B1 EP 0633244 B1 EP0633244 B1 EP 0633244B1 EP 94110458 A EP94110458 A EP 94110458A EP 94110458 A EP94110458 A EP 94110458A EP 0633244 B1 EP0633244 B1 EP 0633244B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stirred tank
- fatty acid
- alkylpolyhydroxyamine
- mol
- stirred
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
Definitions
- the invention relates to a process for continuous Production of polyhydroxy fatty acid amides by reaction of N-alkyl polyhydroxyamines with fatty acid alkyl esters in Presence of basic catalysts.
- Polyhydroxy fatty acid amides are valuable and many usable surface-active compounds. So they can for example as such or in a mixture with anionic, cationic and / or nonionic surfactants as Detergents, detergents, textile treatment agents and The like are used, in the form of Solid products (for example as powder, grains or Granules), solutions, dispersions, emulsions, pastes and the like. Because polyhydroxy fatty acid amides are also good are biodegradable and made from renewable raw materials they can be manufactured in recent times attained greater importance.
- the polyhydroxy fatty acid amides in question are generally compounds of the general formula R-CO-NR'-Z, in which R is a hydrocarbon radical having about 5 to 30 C atoms, preferably 8 to 18 C atoms, R ' H, alkyl or hydroxyalkyl with up to preferably 6 C atoms and Z is a linear polyhydroxy hydrocarbon radical with at least three OH, which can also be alkoxylated, preferably a sugar alcohol radical.
- the preferred polyhydroxy fatty acid amides thus correspond to the formula below wherein R 1 is a short chain alkyl or hydroxyl, R 2 is a fatty alkyl and n is preferably 3 or 4.
- Polyhydroxy fatty acid amides are generally prepared by reacting an N-alkylpolyhydroxyamine (for example N-alkylglucamine) with a fatty acid alkyl ester in the presence of basic compounds as a catalyst.
- N-alkylpolyhydroxyamine for example N-alkylglucamine
- a fatty acid alkyl ester in the presence of basic compounds as a catalyst.
- the following reaction equation with N-methylglucamine and lauric acid methyl ester should illustrate this in more detail:
- the procedure is such that the secondary Glucamine, the fatty acid alkyl ester, the basic Catalyst compound and a solvent with each other mixed and the mixture under reflux until desired sales is held, whereupon the Fatty acid glucamide from the reaction product, if necessary under vacuum treatment, is obtained (compared to Example WO 92/06073, Examples I to V).
- This method delivers a relatively high turnover of the used N-alkyl polyhydroxy amines and the N-methyl glucamide obtained is also relatively pure, but among other things it shows the Disadvantages of discontinuous procedures.
- the process described is also continuous can be done, but nothing else said, especially with regard to equipment design, Implementation, reaction conditions and the like (Compare for example WO 92/06073, page 10, lines 3 until 12).
- the present invention now provides a continuous process for the preparation of polyhydroxy fatty acid amides.
- fatty acid C 1 to C 4 alkyl esters preferably from fatty acid methyl esters
- a high degree of conversion of the N-alkylpolyhydroxyamine used should be achieved and the polyhydroxy fatty acid amide obtained should be very pure, i.e. it should be the particularly undesirable by-products, that is, cyclic polyhydroxy compounds , only contained in a very small amount.
- the N-alkylpolyhydroxyamine is therefore in a first step (a 1 ) with alkali metal alkoxide or alkali metal hydroxide or with a mixture thereof in an amount of 0.01 to 0.15 mol, preferably 0.05 to 0.1 mol, per mol of N-alkylpolyhydroxyamine reacted to prepare an essentially water-free mixture consisting essentially of N-alkylpolyhydroxyamine and the alkali metal salt of N-alkylpolyhydroxyamine formed and acting as a catalyst.
- This mixture and fatty acid alkyl esters in an amount of 1 to 1.5 mol, preferably 1 to 1.1 mol, per mol of the N-alkylpolyhydroxyamine used to prepare the mixture are then fed continuously and simultaneously to the first stirred tank.
- the implementation in the first, second and third boiler is then continued as described above.
- the Preparation of the mixture in detail is preferred in the Way carried out that the N-alkylpolyhydroxyamine and the alkali metal compound in the form of a 10 to 60% by weight, preferably 15 to 50% by weight, aqueous Solution sets in (the N-alkyl polyhydroxyamine falls due to its method of manufacture generally in the form of the above Solutions) that mixes the two solutions together, preferably at room temperature, and the aqueous mixture (Total solution) dries by removing the water.
- the Solvent water is preferably removed to the extent that only at most 0.5% by weight of water are present, preferably at most 0.2 to 0.3 wt .-%, based on the dry (dehydrated) mixture. Drainage is preferred achieved in that from the aqueous Total solution at about 90 to 135 ° C the water under vacuum is distilled off. Drainage can be done with the help of more common ones Thin film evaporator, falling film evaporator or Stripping apparatus can be carried out.
- a viscosity-reducing agent in the first or second stirred kettle or in both, preferably only in the second.
- agents are preferably ethylene glycol, propylene glycol or C 8 to C 18 fatty alcohols or oxethylates thereof with 1 to 5 ethylene oxide units, ethylene glycol, propylene glycol or a mixture thereof being preferred.
- the amount can vary within wide limits. It is generally 1 to 50% by weight, preferably 2 to 30% by weight, based on the solid product.
- the initiation of the continuous according to the invention can on different ways. So you can Introduce fatty acid esters, heat to reaction temperature and in the heated ester the described alkali metal compound melt and N-alkyl polyhydroxyamine and optionally methanol bring in what the mixture so long Reaction temperature is maintained (without removing the Solvent) until the desired single-phase liquid Receives reaction mixture.
- the components mentioned can also in a different order in the first cauldron to be brought. If necessary, you can also use all of the above Place components in the first stirred tank and open Maintain the reaction temperature until the initially disperse Reaction mixture has the desired appearance.
- the reaction according to the invention is carried out at atmospheric pressure or the pressure in the stirred tank carried out, apart from that for faster discharge of the alcohol described in the vacuum from the reaction mixture.
- Polyhydroxy fatty acid amide amount implemented in every subsequent stirred tank to a higher one compared to the previous boiler Polyhydroxy fatty acid amide amount implemented in every subsequent stirred tank to a higher one compared to the previous boiler Polyhydroxy fatty acid amide amount implemented. It is also preferred, in each subsequent stirred tank at an im Comparison to the previous boiler is at most the same (i.e. not higher) and preferably somewhat lower temperature (expediently 1 to 5 ° C) to implement.
- the last one Mixing kettle homogeneous liquid and solid at room temperature Product consists essentially of polyhydroxy fatty acid amide, unreacted N-alkyl polyhydroxyamine and the any viscosity-reducing agents used Liquid.
- the product obtained will be in additional liquid (solvent) and / or water record, with which not only a rapid cooling, but also a well flowing at room temperature and therefore good manageable product is obtained.
- the Polyhydroxy fatty acid amide can also be in the form of dandruff, Grains, granules or powder are brought.
- the method according to the invention has a number of Advantages.
- the linear polyhydroxy fatty acid amide is in almost quantitative yield obtained. It only contains a lot little disruptive by-products such as cyclic Polyhydroxy compounds.
- the method according to the invention So it is possible to use polyhydroxy fatty acid amide in high Yield (space-time yield) and in high purity to manufacture.
- the linear fatty acid amide (melt) is slightly colored yellow, so it also has the desired good Colour.
- the process according to the invention is continuous and can be carried out in simple stirred kettles. This results in another significant advantage, namely of that implementation in terms of automation, Control and compliance with constant reaction conditions, what a consistent product quality is clearly from is of great importance, can be carried out optimally.
- a another major advantage is that in the stationary phase of implementation often already at the The resulting alcohol is sufficient as a solvent and there is always complete homogeneity. This ensures a high reaction speed and at the same time the high degree of implementation and the high purity of the product.
- the clear homogeneous reaction mixture allows from the beginning relatively low reaction temperatures what turn favorable for the purity of the Polyhydroxy fatty acid amide affects.
- the basic compounds are preferably alkali metal compounds in the form of alkali metal alkoxides and / or alkali metal hydroxides.
- the alkali metal alkoxides are preferably C 1 to C 4 alkali metal alkoxides, with the C 1 to C 3 alkoxides being preferred.
- the alkali metal methylate is particularly preferred.
- the alkali metal is preferably sodium or potassium.
- the alkali metal hydroxides are preferably sodium hydroxide and potassium hydroxide.
- N-alkyl polyhydroxyamine and fatty acid alkyl esters are also known compounds and are commercially available. They are also described in detail in the publication WO 92/06073 mentioned at the outset, which is incorporated here.
- the N-alkylpolyhydroxyamines can contain various types of alkyl radicals and polyhydroxy radicals. As far as the polyhydroxy part is concerned, it preferably comes from polyhydroxy compounds from the group of reducing sugars or reducing sugar derivatives.
- Preferred reducing sugar compounds are the monosaccharides, preferably pentoses and hexoses, and the oligosaccharides, preferably disaccharides and trisaccharides.
- Examples of monosaccharides are fructose, glucose, galactose, mannose, sorbose and talose as hexoses and arabinose, ribose and xylose as pentoses.
- the hexoses are preferred.
- Examples of oligosaccharides (polysaccharides) are lactose, maltose, maltotriose and the like.
- the disaccharides are preferred.
- Particularly preferred polyhydroxy compounds are the (reducing) hexoses, in particular glucose.
- the alkyl radical in the N-monoalkylpolyhydroxyamine can also be a hydroxyalkyl radical, for example -CH 2 CH 2 OH. It is preferably a C 1 to C 4 alkyl, for example methyl, ethyl, propyl or isopropyl.
- Preferred N-alkylpolyhydroxyamines are therefore the NC 1 to C 3 glycamines, preferably of fructose, glucose, galactose, mannose, sorbose or talose, or of mixtures thereof.
- Particularly preferred N-alkyl polyhydroxyamines are the NC 1 to C 3 glucamines, the N-methylglucamine being very particularly preferred.
- the fatty acid alkyl esters are preferably fatty acid C 1 to C 4 alkyl esters, with methyl, ethyl, propyl or isopropyl being preferred.
- the fatty acid methyl esters are particularly preferred.
- the fatty acid residue (the acyl group) generally has 6 to 24 carbon atoms, preferably 8 to 18 carbon atoms. It can be saturated or unsaturated (preferably mono- to tri-unsaturated). Examples include the acyl residues of caprylic, capric, lauric, palmitic, stearic and oleic acid, and cocosacyl, tallow acyl, preferably hardened tallow acyl, and the like.
- the fatty acid residue is often a mixture of two or more acyl groups, for example C 12 and C 14 acyl (C 12/14 ), C 16 and C 18 acyl (C 16/18 ) or C 12 to C 18 acyl .
- MG molecular weight
- the mixture of N-methylglucamine and 0.07 mol catalyst was prepared in such a way that 1 mol of N-methylglucamine and 0.07 mol NaOH in the form of a 35% by weight aqueous Solution were mixed and the total solution using a Thin film evaporator at up to 130 ° C and a vacuum was dewatered from 50 mbar to 0.3% by weight of residual water.
- the product is sold as a melt (approx 130 ° C) used.
- the clear homogeneous reaction mixture leaving the first kettle and entering the second kettle has a conversion of 77.4 mol%, based on N-methylglucamine.
- the average residence time in the first boiler is 1.6 hours.
- the reaction mixture is kept at 80 ° C. and a vacuum of 23 mbar, the methanol being distilled off.
- the amount of propylene glycol mentioned above is continuously metered into the second kettle to lower the viscosity of the reaction mixture in the second kettle.
- the mean residence time in the second kettle in which the amidation reaction continues is 2 hours.
- the clear product leaving the second kettle has a conversion of 93.9 mol%, based on N-methylglucamine.
- the mixture of N-methylglucamine and 0.15 mol catalyst was prepared in such a way that 1 mol of N-methylglucamine and 0.15 mol NaOH mixed in solid form and the Mixture was melted.
- Example 1 To ensure the continuous production of N-methylglucamide start, the procedure is first as in Example 1, where a temperature of 60 ° C is set and maintained. As soon as the described in the first stirred tank Reaction mixture is present, the continuous begins Working method, that is to say the first boiler continuously and at the same time per hour the above under "Product feed to the first boiler” under Maintaining the above-mentioned temperature of around 60 ° C fed.
- the ones leaving the first boiler and into the second homogeneous reaction mixture entering the kettle (the three kettles of the cascade are filled and in the stationary one Condition) has a conversion of 65.3 mol%, based on N-methylglucamine.
- the average residence time in the first boiler is 1.3 hours.
- the Reaction mixture In the second stirred tank, the Reaction mixture at 60 ° C and a vacuum of 600 mbar held, the methanol being distilled off.
- the second boiler is continuously the top one per hour specified amount of propylene glycol to reduce the viscosity of the Reaction mixture metered into the second kettle.
- the middle Dwell time in the second boiler in which the amidation reaction going on is 2.6 hours.
- the second boiler single-phase leaving and entering the third boiler liquid reaction mixture has a conversion of 85.4 mol% on, based on N-methylglucamine.
- the reaction mixture In the third stirred tank the reaction mixture at 60 ° C and a vacuum of 94 mbar held, with methanol being distilled off further.
- the clear product leaving the third boiler has a conversion of 97.5 mol%, based on N-methylglucamine.
- the content of cyclic compounds is in the range of less than 200 ppm to a maximum of 1000 ppm (the determination was carried out by quantitative thin layer chromatography).
- the Polyhydroxy fatty acid amide also contains very little Residual methanol, since the alcohol in the second boiler (in the case of two stirring kettles) or in the third kettle (in the case of three Stirred kettles) is removed as completely as possible by distillation.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Description
- 1,00 mol
- N-Methylglucamin enthaltend 0,07 mol Katalysator
- 1,06 mol
- C12/14-Fettsäuremethylester (MG = 220)
- 2,00 mol
- Methanol
- 0,50 mol
- Propylenglykol (10 Gew.-%)
- 1,0 mol
- N-Methylglucamin enthaltend 0,15 mol Katalysator
- 1,3 mol
- C12/14-Fettsäuremethylester (MG = 220)
- 20,0 mol
- Methanol
- 0,5 mol
- Propylenglykol (10 Gew.-%)
Claims (5)
- Verfahren zur kontinuierlichen Herstellung von Polyhydroxyfettsäureamid durch Umsetzung von N-Alkylpolyhydroxyamin und Fettsäure-C1 bis C4-alkylester in Gegenwart basischer Katalysatoren, dadurch gekennzeichnet, daß die Umsetzung in zwei oder drei kaskadenförmig angeordneten Rührkesseln kontinuierlich durchgeführt und dabei so vorgegangen wird, daßa1) zunächst das N-Alkylpolyhydroxyamin mit einem Alkalimetallalkoxid oder einem Alkalimetallhydroxid oder mit einer Mischung davon in einer Menge von 0,01 bis 0,15 mol pro mol N-Alkylpolyhydroxyamin umgesetzt wird zur Bereitung einer im wesentlichen wasserfreien Mischung bestehend im wesentlichen aus N-Alkylpolyhydroxyamin und Katalysator unda2) dem ersten Rührkessel kontinuierlich und gleichzeitig die im Schritt a1) bereitete Mischung in Form einer fließenden Schmelze und den Fettsäure-C1 bis C4-alkylester in einer Menge von 1 bis 1,5 mol pro mol des im Schritt a1) eingesetzten N-Alkylpolyhydroxyamins zugeführt wird und im Kessel eine Temperatur von 60 bis 120 °C und eine solche Verweilzeit eingehalten wird, daß eine einphasige flüssige Reaktionsmischung erhalten wird,b) die den ersten Rührkessel verlassende und in den zweiten Rührkessel eintretende einphasige flüssige Reaktionsmischung im zweiten Rührkessel bei einer Temperatur von 60 bis 100 °C, unter Vakuum und bei einer solchen Verweilzeit gehalten wird, daß im Falle von zwei Rührkesseln 80 bis 98 Mol-% vom N-Alkylpolyhydroxyamin umgesetzt sind, wobei im wesentlichen der gesamte anwesende C1 bis C4-Alkohol abdestilliert wird, und im Falle von drei Rührkesseln 80 bis 95 Mol-% vom N-Alkylpolyhydroxyamin umgesetzt sind, wobei anwesender C1 bis C4-Alkohol bis auf eine Restmenge von 0,1 bis 20 Gew.-%, bezogen auf Feststoffprodukt, abdestilliert wird,c) bei dem Verfahren mit zwei Rührkesseln aus der den zweiten Rührkessel verlassenden Reaktionsmischung das Polyhydroxyfettsäureamid gewonnen wird, bei dem Verfahren mit drei Rührkesseln die den zweiten Rührkessel verlassende und in den dritten Rührkessel eintretende einphasige flüssige Reaktionsmischung im dritten Rührkessel bei einer Temperatur von 60 bis 100 °C, unter Vakuum und bei einer solchen Verweilzeit gehalten wird, daß 93 bis 99 Mol-% vom N-Alkylpolyhydroxyamin umgesetzt sind, wobei im wesentlichen der gesamte anwesende C1 bis C4-Alkohol abdestilliert wird, und daßd) aus der den dritten Rührkessel verlassenden Reaktionsmischung das Polyhydroxyfettsäureamid gewonnen wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß dem ersten Rührkessel Methanol zugeführt wird in einer Menge von 0,5 bis 20 mol pro mol des dem ersten Rührkessel zugeführten N-Alkylpolyhydroxyamins.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß dem zweiten Rührkessel ein viskositätssenkendes Mittel zugeführt wird, ausgewählt aus der Gruppe bestehend aus Ethylenglykol, Propylenglykol oder C8 bis C18-Fettalkoholen oder Oxethylaten davon mit 1 bis 5 Ethylenoxid-Einheiten in einer Menge von 1 bis 50 Gew.-%, bezogen auf Feststoffprodukt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß dem zweiten Rührkessel Ethylenglykol, Propylenglykol oder eine Mischung davon als viskositätssenkendes Mittel zugeführt wird in einer Menge von 1 bis 50 Gew.-%, bezogen auf Feststoffprodukt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß als N-Alkylpolyhydroxyamin N-Methylglucamin, als Fettsäurealkylester Fettsäuremethylester, als Alkalimetallalkoxid Kalium- oder Natriummethylat und als Alkalimetallhydroxid Kalium- oder Natriumhydroxid eingesetzt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4322874 | 1993-07-09 | ||
DE4322874A DE4322874C2 (de) | 1993-07-09 | 1993-07-09 | Verfahren zur kontinuierlichen Herstellung von Polyhydroxyfettsäureamiden aus N-Alkylpolyhydroxyaminen und Fettsäurealkylestern |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0633244A2 EP0633244A2 (de) | 1995-01-11 |
EP0633244A3 EP0633244A3 (de) | 1996-03-06 |
EP0633244B1 true EP0633244B1 (de) | 1998-04-15 |
Family
ID=6492334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94110458A Expired - Lifetime EP0633244B1 (de) | 1993-07-09 | 1994-07-05 | Verfahren zur kontinuierlichen Herstellung von Polyhydroxyfettsäureamiden aus N-Alkylpolyhydroxyaminen und Fettsäurealkylestern |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0633244B1 (de) |
JP (1) | JPH07145124A (de) |
BR (1) | BR9402665A (de) |
CA (1) | CA2127644A1 (de) |
DE (2) | DE4322874C2 (de) |
MX (1) | MX9405240A (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19519705A1 (de) * | 1995-05-30 | 1996-12-05 | Hoechst Ag | Konzentrierte Lösungen von Polyhydroxyalkylaminen und deren Verwendung |
US5731461A (en) * | 1996-01-03 | 1998-03-24 | Condea Vista Company | Surfactant composition and process for producing same |
US5750749A (en) * | 1996-02-09 | 1998-05-12 | Condea Vista Company | Polyhydroxy-fatty amide surfactant composition and method of preparing same |
US8853433B2 (en) | 2011-07-28 | 2014-10-07 | Conopco, Inc. | General method for preparing fatty acyl amido based surfactants |
US8658589B2 (en) | 2011-07-28 | 2014-02-25 | Conopco, Inc. | Fatty acyl amido based surfactant concentrates |
US8981134B2 (en) | 2011-07-28 | 2015-03-17 | Conopco, Inc. | Amino acid salt containing compositions |
JP5575718B2 (ja) * | 2011-09-13 | 2014-08-20 | 花王株式会社 | N−アシルアミノトリオールの製造法 |
EP2854751B1 (de) | 2012-05-30 | 2016-08-10 | Clariant International Ltd. | Verwendung von n-methyl-n-acylglucaminen als solubilisatoren |
CN104640965A (zh) | 2012-05-30 | 2015-05-20 | 科莱恩金融(Bvi)有限公司 | 包含n-甲基-n-酰基葡糖胺的组合物 |
EP2906643B1 (de) | 2012-10-09 | 2016-11-09 | Clariant International Ltd | Dispergiermittel aus nachwachsenden rohstoffen für bindemittelfreie pigmentpräparationen |
DE102012021647A1 (de) | 2012-11-03 | 2014-05-08 | Clariant International Ltd. | Wässrige Adjuvant-Zusammensetzungen |
CN104910035B (zh) * | 2014-03-11 | 2017-03-15 | 南京理工大学 | 一种以负载固体碱催化合成羟烷基酰胺的方法 |
DE102014005771A1 (de) | 2014-04-23 | 2015-10-29 | Clariant International Ltd. | Verwendung von wässrigen driftreduzierenden Zusammensetzungen |
CN107001239B (zh) * | 2014-11-13 | 2020-02-21 | 科莱恩国际有限公司 | 在管式反应器中制备表面活性剂的连续方法 |
DE102014016763A1 (de) | 2014-11-13 | 2015-06-25 | Clariant International Ltd. | VOC-arme Koaleszensmittel für wässrige Dispersionen |
DE202014010366U1 (de) | 2014-11-24 | 2015-05-15 | Clariant International Ltd. | Verwendung von Polyhydroxyfettsäureamiden zur Verbesserung der Nassabriebbeständigkeit von wässrigen Dispersionen |
DE102014017368A1 (de) | 2014-11-24 | 2015-05-28 | Clariant International Ltd. | Verwendung von Polyhydroxyfettsäureamiden zur Verbesserung der Nassabriebbeständigkeit von wässrigen Dispersionsfarben |
DE102015212507A1 (de) * | 2015-07-03 | 2017-01-05 | Clariant International Ltd. | Verfahren zur Synthese von aliphatischen und aromatischen Amiden |
DE102015219608B4 (de) | 2015-10-09 | 2018-05-03 | Clariant International Ltd | Universelle Pigmentdispersionen auf Basis von N-Alkylglukaminen |
DE102015219651A1 (de) | 2015-10-09 | 2017-04-13 | Clariant International Ltd. | Zusammensetzungen enthaltend Zuckeramin und Fettsäure |
DE102016207877A1 (de) | 2016-05-09 | 2017-11-09 | Clariant International Ltd | Stabilisatoren für Silikatfarben |
EP3858965B1 (de) | 2020-01-28 | 2022-05-11 | The Procter & Gamble Company | Reinigungsprodukt |
EP3858961A1 (de) | 2020-01-28 | 2021-08-04 | The Procter & Gamble Company | Reinigungsprodukt |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5194639A (en) * | 1990-09-28 | 1993-03-16 | The Procter & Gamble Company | Preparation of polyhydroxy fatty acid amides in the presence of solvents |
JPH06501473A (ja) * | 1990-11-09 | 1994-02-17 | ザ、プロクター、エンド、ギャンブル、カンパニー | アミンおよびアミン/水溶剤中におけるn−アルキルポリヒドロキシアミンおよびそれからの脂肪酸アミドの製造法 |
US5188769A (en) * | 1992-03-26 | 1993-02-23 | The Procter & Gamble Company | Process for reducing the levels of fatty acid contaminants in polyhydroxy fatty acid amide surfactants |
DE4235783A1 (de) * | 1992-10-23 | 1994-04-28 | Basf Ag | Verfahren zur Herstellung von N-Alkanoyl-polyhydroxyalkylaminen |
-
1993
- 1993-07-09 DE DE4322874A patent/DE4322874C2/de not_active Expired - Fee Related
-
1994
- 1994-07-05 EP EP94110458A patent/EP0633244B1/de not_active Expired - Lifetime
- 1994-07-05 DE DE59405684T patent/DE59405684D1/de not_active Expired - Fee Related
- 1994-07-08 JP JP6157591A patent/JPH07145124A/ja not_active Withdrawn
- 1994-07-08 MX MX9405240A patent/MX9405240A/es unknown
- 1994-07-08 BR BR9402665A patent/BR9402665A/pt not_active Application Discontinuation
- 1994-07-08 CA CA002127644A patent/CA2127644A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE4322874C2 (de) | 1995-07-20 |
EP0633244A3 (de) | 1996-03-06 |
EP0633244A2 (de) | 1995-01-11 |
DE4322874A1 (de) | 1995-01-12 |
MX9405240A (es) | 1995-01-31 |
CA2127644A1 (en) | 1995-01-10 |
JPH07145124A (ja) | 1995-06-06 |
BR9402665A (pt) | 1995-05-02 |
DE59405684D1 (de) | 1998-05-20 |
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